Ianni, O., Burns, E. B., Da Silveira Cardozo, M., Hilton, S. E., Morse, R. M., Schwartz, S. B., . . . Viotti da Costa, E. (1970). Crisis in Brazil. New York US: Columbia University Press.

Ianni, Octavio., E. Bradford Burns, Manoel Da Silveira Cardozo, Stanley E. Hilton, Richard M. Morse, Stuart B. Schwartz, María Odila Silva Dias, and Emília Viotti da Costa. Crisis in Brazil. New York US: Columbia University Press, 1970.

Ianni, Octavio., et al. Crisis in Brazil. New York US: Columbia University Press, 1970.